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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "third_party/blink/renderer/core/svg/svg_text_positioning_element.h"
#include "third_party/blink/renderer/core/layout/svg/layout_svg_text.h"
#include "third_party/blink/renderer/core/svg/svg_length_list.h"
#include "third_party/blink/renderer/core/svg/svg_number_list.h"
#include "third_party/blink/renderer/core/svg_names.h"
#include "third_party/blink/renderer/platform/heap/heap.h"
namespace blink {
SVGTextPositioningElement::SVGTextPositioningElement(
const QualifiedName& tag_name,
Document& document)
: SVGTextContentElement(tag_name, document),
x_(MakeGarbageCollected<SVGAnimatedLengthList>(
this,
svg_names::kXAttr,
MakeGarbageCollected<SVGLengthList>(SVGLengthMode::kWidth))),
y_(MakeGarbageCollected<SVGAnimatedLengthList>(
this,
svg_names::kYAttr,
MakeGarbageCollected<SVGLengthList>(SVGLengthMode::kHeight))),
dx_(MakeGarbageCollected<SVGAnimatedLengthList>(
this,
svg_names::kDxAttr,
MakeGarbageCollected<SVGLengthList>(SVGLengthMode::kWidth))),
dy_(MakeGarbageCollected<SVGAnimatedLengthList>(
this,
svg_names::kDyAttr,
MakeGarbageCollected<SVGLengthList>(SVGLengthMode::kHeight))),
rotate_(
MakeGarbageCollected<SVGAnimatedNumberList>(this,
svg_names::kRotateAttr)) {
AddToPropertyMap(x_);
AddToPropertyMap(y_);
AddToPropertyMap(dx_);
AddToPropertyMap(dy_);
AddToPropertyMap(rotate_);
}
void SVGTextPositioningElement::Trace(Visitor* visitor) const {
visitor->Trace(x_);
visitor->Trace(y_);
visitor->Trace(dx_);
visitor->Trace(dy_);
visitor->Trace(rotate_);
SVGTextContentElement::Trace(visitor);
}
void SVGTextPositioningElement::SvgAttributeChanged(
const QualifiedName& attr_name) {
bool update_relative_lengths =
attr_name == svg_names::kXAttr || attr_name == svg_names::kYAttr ||
attr_name == svg_names::kDxAttr || attr_name == svg_names::kDyAttr;
if (update_relative_lengths)
UpdateRelativeLengthsInformation();
if (update_relative_lengths || attr_name == svg_names::kRotateAttr) {
SVGElement::InvalidationGuard invalidation_guard(this);
LayoutObject* layout_object = GetLayoutObject();
if (!layout_object)
return;
if (LayoutSVGText* text_layout_object =
LayoutSVGText::LocateLayoutSVGTextAncestor(layout_object))
text_layout_object->SetNeedsPositioningValuesUpdate();
MarkForLayoutAndParentResourceInvalidation(*layout_object);
return;
}
SVGTextContentElement::SvgAttributeChanged(attr_name);
}
} // namespace blink
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